Tire tread



FIG. 1 is a side perspective view of a tire tread showing our new design, it being understood that the pattern is repeated throughout the circumference of the tire, the opposite side being the same as that shown;

FIG. 2 is a front elevational view thereof, the opposite side being identical thereto; and,

FIG. 3 is an enlarged fragmentary front elevational view thereof.

In the drawings, the broken lines represent envinronmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 